ARM: dts: rockchip: add gpu node to rk3288-miqi

Add the Mali GPU node to the MiQi device-tree.

Signed-off-by: Demetris Ierokipides <ierokipides.dem@gmail.com>
Link: https://lore.kernel.org/r/20210108151036.36434-2-ierokipides.dem@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm/boot/dts/rk3288-miqi.dts

@@ -123,6 +123,11 @@
 	status = "okay";
 };
 
+&gpu {
+	mali-supply = <&vdd_gpu>;
+	status = "okay";
+};
+
 &hdmi {
 	ddc-i2c-bus = <&i2c5>;
 	status = "okay";